Home / 216,120.08-298,246.44-120,625.04

Finding the Fourth Proportional to 216,120.08, 298,246.44 and 120,625.04

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Solution

The fourth proportional to 216,120.08, 298,246.44 and 120,625.04 is: 166,462.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,120.08 : 298,246.44 = 120,625.04 : x
  2. Step 2: Convert to fraction form
    216,120.08/298,246.44 = 120,625.04/x
  3. Step 3: Cross multiply
    216,120.08x = 298,246.44 × 120,625.04
  4. Step 4: Simplify right side
    216,120.08x = 35,975,988,754.86
  5. Step 5: Solve for x
    x = 35,975,988,754.86/216,120.08
  6. Step 6: Final answer
    x = 166,462.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.